22040774 has 8 divisors (see below), whose sum is σ = 37784208. Its totient is φ = 9446040.

The previous prime is 22040773. The next prime is 22040801. The reversal of 22040774 is 47704022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787157 + ... + 787184.

It is an arithmetic number, because the mean of its divisors is an integer number (4723026).

Almost surely, 2^22040774 is an apocalyptic number.

22040774 is a deficient number, since it is larger than the sum of its proper divisors (15743434).

22040774 is a wasteful number, since it uses less digits than its factorization.

22040774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574350.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22040774 is about 4694.7602707700. The cubic root of 22040774 is about 280.3769328258.

Adding to 22040774 its reverse (47704022), we get a palindrome (69744796).

The spelling of 22040774 in words is "twenty-two million, forty thousand, seven hundred seventy-four".